Home / 146,717.21-202,470.59-86,290.40

Finding the Fourth Proportional to 146,717.21, 202,470.59 and 86,290.40

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Solution

The fourth proportional to 146,717.21, 202,470.59 and 86,290.40 is: 119,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,717.21 : 202,470.59 = 86,290.40 : x
  2. Step 2: Convert to fraction form
    146,717.21/202,470.59 = 86,290.40/x
  3. Step 3: Cross multiply
    146,717.21x = 202,470.59 × 86,290.40
  4. Step 4: Simplify right side
    146,717.21x = 17,471,266,755.53
  5. Step 5: Solve for x
    x = 17,471,266,755.53/146,717.21
  6. Step 6: Final answer
    x = 119,081.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.